GREELEY — Greeley school officials have agreed to let parents of students disciplined for bad behavior on school buses to view security video of what happened.

Greeley-Evans School District 6 officials say the change came after a review. Earlier this month, school officials said privacy laws kept them from granting a father’s request to see surveillance videotape after his son was disciplined over a fight in April.

DENVER — Colorado energy regulators on Monday proposed tighter rules for shutting down oil and gas pipelines after a fatal explosion blamed on natural gas leaking from a line that was thought to be out of service but was still connected to a well. The Colorado Oil and Gas Conservation Commission rules govern flow lines, which carry oil, gas and...